6884774886 has 96 divisors (see below), whose sum is σ = 16069294080. Its totient is φ = 1958204160.

The previous prime is 6884774881. The next prime is 6884774893.

6884774886 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6884774881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7491135 + ... + 7492053.

It is an arithmetic number, because the mean of its divisors is an integer number (167388480).

Almost surely, 2^6884774886 is an apocalyptic number.

6884774886 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 6884774886, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8034647040).

6884774886 is an abundant number, since it is smaller than the sum of its proper divisors (9184519194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6884774886 is a wasteful number, since it uses less digits than its factorization.

6884774886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570 (or 1559 counting only the distinct ones).

The product of its digits is 115605504, while the sum is 66.

The square root of 6884774886 is about 82974.5436022398. The cubic root of 6884774886 is about 1902.3769776031.

The spelling of 6884774886 in words is "six billion, eight hundred eighty-four million, seven hundred seventy-four thousand, eight hundred eighty-six".